Transformation Consultants

SAP S/4HANA Transformation – Authorization Concept & GRC (SAST)

Supporting the design and implementation of the user and authorization concept for the SAP modules FI, AM, CO, BP, PS, MM, SD, and third-party products with transactions & apps (Fiori)

• Supporting the evaluation of workstations
• Setting up the SAST role template, including Fiori
• Aligning the content of business roles with process owners
• Implementation
• Test and go-live support

Independent HR & Learning Consultant | Founder, Elevate Growth

• Partner with consulting firms and corporate clients on Learning & Development strategy, leadership development, executive and management coaching, organisational development, and culture and change initiatives.
• Design and deliver tailored learning programmes, leadership workshops and team development interventions, combining strategic consulting, facilitation and coaching.
• Support organisations in exploring the opportunities and challenges of AI-enabled people development, integrating emerging research with practical organisational needs.
• Leverage 15 years of corporate HR and L&D experience in multinational environments, including Barilla and CNH Industrial, to translate business challenges into practical, impactful development solutions.

Engagement through Wonneberger Consulting.

• Led due diligence for an investor group and took over operational leadership of the period underwear brand after the acquisition.
• Managed day-to-day operations with seven-figure annual revenue; reported directly to the investors.
• Restructured operations in six weeks: new team, branding, online store and logistics.
• Built and led a ten-person team, supported by freelancers and partners in marketing, technology, fulfillment and production.
• Planned and managed revenue, liquidity, product requirements and ongoing costs; coordinated regularly with the investors.
• Replaced Excel-based order processing with integrated systems and automated workflows. Reduced manual work and improved operational reliability.

• Shape strategies, transformation and organizational effectiveness initiatives by turning leadership and execution challenges into clear decision paths, governance structures and actionable workstreams.
• Develop executive-oriented approaches to strengthen alignment, decision ownership and transformation readiness.
• Align stakeholders, clarify priorities and strengthen execution across organizational boundaries in project contexts.

Swiss University of Applied Sciences institute (HEdA/AAQ accredited); ranked #5 globally for Executive MBA (CEO Magazine 2025)

• Led the research function and chaired the Research Advisory Board.
• Editor of the Journal of Applied Business Research.
• Member of the Thesis and Dissertation Committee.
• Contributed to the AAQ and ACBSP accreditation processes.

• Currently working as an Interim Manager in a dual role: as Head of IT/VP IT (approx. 75 internal employees and 20 external staff) and ERP Program Manager (approx. 90 employees and an annual program budget of 10 Mio. EUR) at a leading DIY and building materials retailer in DACH (B2B and B2C).

via AgonPro AG

• Review and optimization of training materials, guides and documentation in the SAFe environment
• Structured and user-oriented preparation of complex content
• Critical analysis of existing solutions and development of specific improvement proposals
• Contributing to AI topics in the context of training and the introduction of artificial intelligence

Career roles and levelling framework for an AI startup. Defining role scope, progression criteria, and how promotion decisions get made and communicated — including the question most frameworks now have to answer: what "senior" means when a large part of the work is AI-assisted.

Independent practice serving clients in SAC-P and AI-enabled FP&A transformation, including financial model development for PE firm engagements, data cleansing with PowerQuery, workflow automation Claude Cowork, SAC-P scoping task-based assignments (Micro1.ai & Mercor.ai), and SAP partner network development.

• 2026 – Completed significant upgrade training for Positioning Business AI and SAP Cloud ALM Workshop (In-Person). Live Demos • SAC-P & Excel-Based Reports • Claude Partner • SAP Partner#: 1961209 (OE – Build)
• Fall 2026 – New effort to re-train/update past FI/CO, SAP BPC, SAP Platform to S/4 Finance & Core G/L Accounting
• 2026 – Upskilling for Transformation Toolchain. In-Person Workshops: Cloud ALM & SAP BTP • Joule Demo(s)
• 2025 – FP&A processes • Datasphere & Business Data Cloud • Team Workshops for AI • Toolchain & SAP Cloud ALM
• 2024 – Built key credentials on Deloitte S4 Experience • Group Reporting and SAC-P

Engaged by one of Switzerland’s largest insurance groups for spanish SAP rollout following the acquisition of Caser (Spain), for ongoing support and S/4HANA transformation initiatives covering all Market Units (CH, ES, DE, AT, FR, IT).

Key areas: FI-AP, FI-AR, Payments, Bank Accounting, Cash Management, S/4HANA transformation, eInvoicing, eReporting, Business Partner

• SAP Rollout: Led end-to-end FI-AP, FI-AR, Payments, and Bank Reconciliation rollout for acquired Caser entities in Spain (Dec 2020 – Mar 2022), including full Spanish localisation.
• Integration with FSCD: Redesigned bank statement incoming payments integration in FSCD from custom to SAP standard solution, significantly increasing straight-through processing rates.
• Payments: Retired legacy custom payment trees; implemented SAP standard CGI payment trees and executed migration from ISO 20022 v2009 to v2019.
• Implemented a 1 GL account per House Bank (HBKID) concept with multiple Bank Account IDs (HKTID), reducing the total number of bank GL accounts by over 90%.
• Spanish localization: Configured and deployed Mod 180, 190, 347, 349 and SII Reporting for Spain mainland and Canary Islands using SAP eDocument (DRC) and SAP BTP Webservice, processing 2 million invoices annually, Spanish Direct & Indirect Method Cash Flow Statements (Insurance & Non-Insurance) fully reconciled
• Migration: Used SAP AIF to migrate AR/AP master data, open items, SEPA mandates, and complete GL documents for multiple company code merges (hundreds of thousands of records); leveraged Power BI/Power Query for data transformation.
• Bank Reconciliation: Achieved 60%+ automatic bank reconciliation across MU ES, CH, and DE using CSB43, MT940, and CAMT.053/054 formats, including custom improvements (tax-number-based customer/vendor matching, fuzzy search), and co-implemented the bank statement interface cockpit in SAP AIF. Integrated MX Camt from Swift Finplus and made transition from ISO20022 v2009 to v2019
• Worked on S/4HANA convergence and wrote concept work for SAP Cash Management & Treasury and eInvoicing/eReporting transformation.
• Currently leading the design for Business Partner Migration using SAP DRF and SAP AIF for Helvetia Baloise Integration Project and Harmonization of all BP interfaces.
• Currently leading Requirements Engineering for eInvoicing & eReporting for Italy, France and Spain, modelling Flows in SAP Signavio.

• Advising executive teams on digitalization, AI and change management
• AI prototypes in around 14 days; business cases and rollout plans with measurable productivity gains

Since the company was founded, ongoing consulting and coaching engagements for companies and organizations, mainly from publishing, healthcare, and the non-profit sector.

Current engagements and consulting focus areas

• Assessment and structured clarification of AI potential, starting point, opportunities, risks, and the next sensible step
• Identification and prioritization of AI use cases based on value, feasibility, risk, and organizational readiness
• Design of AI roadmaps and pilot projects as well as definition of roles, responsibilities, human oversight, and quality/approval logic
• Executive briefings, management workshops, and AI literacy and adoption formats for leaders and teams
• Executive coaching on leadership, role clarity, strategy execution, career change, and personal development

• Established and lead STOEV Enterprises as an independent management and strategic advisory firm
• Advisory focus on transformation, governance, organizational development, program management and interim management
• Structuring complex situations and developing clear decision-making foundations for management and leadership bodies
• Developing and further enhancing governance, organizational and operating models
• Executive sparring and management advisory on strategic, organizational and operational issues
• Managing and supporting complex transformation, change and implementation initiatives
• Supporting program and portfolio management, prioritization, roadmaps, risks, dependencies and management reporting
• Taking on interim management and leadership responsibilities to stabilize and further develop organizations and initiatives
• Combining a strategic management perspective with a pragmatic, execution-focused approach
• Focus on customer orientation, service excellence and alignment between management, business units, IT, customers and external partners
• Advisory services in IT transformation, IT governance, service & operations management, infrastructure and platform services, as well as sourcing and supplier governance
• Experience in complex, technology-driven and regulated organizations, as well as in the Swiss federal environment